Flow price: --
f815dfea54e8facf8fe5be91a3dca1f853f7765907a3e4a316fca72b9009a9ea

Transaction

Hash: f815dfea54e8facf8fe5be91a3dca1f853f7765907a3e4a316fca72b9009a9ea
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f815dfea54e8facf8fe5be91a3dca1f853f7765907a3e4a316fca72b9009a9ea:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f815dfea54e8facf8fe5be91a3dca1f853f7765907a3e4a316fca72b9009a9ea
Status:
ERROR
Block height:
39907432
Block id:
8b88b4e583c3b8cb5b299bcaea3f90152372b6cd8f0803f7d148b14799bd8b31
Timestamp:
Saturday 29 October 2022 at 04:44:22 UTC
()
Proposer:
Authorizers:
Gas used:
46